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[net-next,2/7] net: sched: Make the action trap_fwd offloadable

Message ID 20210408133829.2135103-3-petrm@nvidia.com (mailing list archive)
State Changes Requested
Delegated to: Netdev Maintainers
Headers show
Series tc: Introduce a trap-and-forward action | expand

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netdev/cc_maintainers warning 1 maintainers not CCed: jiri@resnulli.us
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netdev/build_32bit success Errors and warnings before: 4813 this patch: 4813
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netdev/build_allmodconfig_warn success Errors and warnings before: 5131 this patch: 5131
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Commit Message

Petr Machata April 8, 2021, 1:38 p.m. UTC 
Add the new flow action and related support so that drivers can offload the
trap_fwd action.

Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
---
 include/net/flow_offload.h   | 1 +
 include/net/tc_act/tc_gact.h | 5 +++++
 net/sched/cls_api.c          | 2 ++
 3 files changed, 8 insertions(+)
diff mbox series

Patch

diff --git a/include/net/flow_offload.h b/include/net/flow_offload.h
index dc5c1e69cd9f..5f35523f12b5 100644
--- a/include/net/flow_offload.h
+++ b/include/net/flow_offload.h
@@ -121,6 +121,7 @@  enum flow_action_id {
 	FLOW_ACTION_ACCEPT		= 0,
 	FLOW_ACTION_DROP,
 	FLOW_ACTION_TRAP,
+	FLOW_ACTION_TRAP_FWD,
 	FLOW_ACTION_GOTO,
 	FLOW_ACTION_REDIRECT,
 	FLOW_ACTION_MIRRED,
diff --git a/include/net/tc_act/tc_gact.h b/include/net/tc_act/tc_gact.h
index eb8f01c819e6..df9e0a19c826 100644
--- a/include/net/tc_act/tc_gact.h
+++ b/include/net/tc_act/tc_gact.h
@@ -49,6 +49,11 @@  static inline bool is_tcf_gact_trap(const struct tc_action *a)
 	return __is_tcf_gact_act(a, TC_ACT_TRAP, false);
 }
 
+static inline bool is_tcf_gact_trap_fwd(const struct tc_action *a)
+{
+	return __is_tcf_gact_act(a, TC_ACT_TRAP_FWD, false);
+}
+
 static inline bool is_tcf_gact_goto_chain(const struct tc_action *a)
 {
 	return __is_tcf_gact_act(a, TC_ACT_GOTO_CHAIN, true);
diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index d3db70865d66..95e37eb50173 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -3582,6 +3582,8 @@  int tc_setup_flow_action(struct flow_action *flow_action,
 			entry->id = FLOW_ACTION_DROP;
 		} else if (is_tcf_gact_trap(act)) {
 			entry->id = FLOW_ACTION_TRAP;
+		} else if (is_tcf_gact_trap_fwd(act)) {
+			entry->id = FLOW_ACTION_TRAP_FWD;
 		} else if (is_tcf_gact_goto_chain(act)) {
 			entry->id = FLOW_ACTION_GOTO;
 			entry->chain_index = tcf_gact_goto_chain_index(act);